Home / 95,575.20-143,323.92-42,970.56

Finding the Fourth Proportional to 95,575.20, 143,323.92 and 42,970.56

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Solution

The fourth proportional to 95,575.20, 143,323.92 and 42,970.56 is: 64,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,575.20 : 143,323.92 = 42,970.56 : x
  2. Step 2: Convert to fraction form
    95,575.20/143,323.92 = 42,970.56/x
  3. Step 3: Cross multiply
    95,575.20x = 143,323.92 × 42,970.56
  4. Step 4: Simplify right side
    95,575.20x = 6,158,709,103.80
  5. Step 5: Solve for x
    x = 6,158,709,103.80/95,575.20
  6. Step 6: Final answer
    x = 64,438.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.